| BAB a S Precision Sheet Metal | Morgan Hill | CA | — | ◇ UNVERIFIED |
| BRBaton Rouge Window & Siding Conpany, INC. | Baton Rouge | LA | — | ◇ UNVERIFIED |
| BSBauer Sheet Metal & Fabricating, INC | Fruitport | MI | — | ◇ UNVERIFIED |
| BRBautista Reo Pr CORP 205 Avenida Laurel | Bayamon | PR | — | ◇ UNVERIFIED |
| BCBay Cities Tin Shop INC Dba Bay Cities Metal Products | Gardena | CA | — | ◇ UNVERIFIED |
| BGBay Glass & Window, INC. | Cape Coral | FL | — | ◇ UNVERIFIED |
| BBBayland Buildings, INC. | Oshkosh | WI | — | ◇ UNVERIFIED |
| BSBayou Sheet Metal Services, LLC | Houma | LA | — | ◇ UNVERIFIED |
| BSBayside Shutters | Orange | CA | — | ◇ UNVERIFIED |
| BBB & B Insulation CO INC | Houston | TX | — | ◇ UNVERIFIED |
 B&b Manufacturing | Saint Croix | VI | — | ◇ UNVERIFIED |
| BBB & B Sheet Metal | Oklahoma City | OK | — | ◇ UNVERIFIED |
| BBB & B Welding Company, INC. | Edgemere | MD | — | ◇ UNVERIFIED |
| BIBcc INC | Savannah | MO | — | ◇ UNVERIFIED |
| BMB.c. Mechanical, LLC | Newkirk | OK | — | ◇ UNVERIFIED |
| BMB&c Metals Enterprise INC. | Medley | FL | — | ◇ UNVERIFIED |
| BSBeacon Sales Acquisition, INC | West Bridgewater | MA | — | ◇ UNVERIFIED |
| BPBeechcraft Products, Inc. | Durand | MI | — | ◇ UNVERIFIED |
| BMBegneaud Manufacturing INC | Scott | LA | — | ◇ UNVERIFIED |
| BIBell-view, INC. | Wrightsville | GA | — | ◇ UNVERIFIED |
| BPBenchmark Precision Products LLC | West Newbury | MA | — | ◇ UNVERIFIED |
| BMBenitez Metal Manufacturing CORP | Rio Piedras | PR | — | ◇ UNVERIFIED |
| BMBenner Metals Corporation | Fullerton | CA | — | ◇ UNVERIFIED |
| BBBennett Building Systems, LLC | Augusta | GA | — | ◇ UNVERIFIED |
| BMBennett Mfg & Supply CO | Colorado Springs | CO | — | ◇ UNVERIFIED |
| BIBenson Industries INC | Portland | OR | — | ◇ UNVERIFIED |
| BIBenson Industries INC | Portland | OR | — | ◇ UNVERIFIED |
| BIBenson Industries LLC | Portland | OR | — | ◇ UNVERIFIED |
| BIBenson Industries LLC | La Grande | OR | — | ◇ UNVERIFIED |
| BCBerg Companies | Spokane | WA | — | ◇ UNVERIFIED |
| BSBergen Sign Company | Pompano Beach | FL | — | ◇ UNVERIFIED |
| BBBerger Building Products, INC. | Ivyland | PA | — | ◇ UNVERIFIED |
| BDBernard Dalsin Manufacturing | Farmington | MN | — | ◇ UNVERIFIED |
| BVBerrydale Ventures LLC | Kent | WA | — | ◇ UNVERIFIED |
| BRBert R Huncilman and Son INC | New Albany | IN | — | ◇ UNVERIFIED |
| BSBest Steel Buildings, INC. | Houston | TX | — | ◇ UNVERIFIED |
| BFBest-way Fabricating INC | Saint Joseph | MN | — | ◇ UNVERIFIED |
| BBBetter Bilt Sheet Metal LLC | San Antonio | TX | — | ◇ UNVERIFIED |
| BMBetter Maintenance Sheet Metal CORP. | Newburyport | MA | — | ◇ UNVERIFIED |
| BMB.g. Metals, INC. | San Antonio | TX | — | ◇ UNVERIFIED |
| BDBhp, D.b.a Global Power Components | Milwaukee | WI | — | ◇ UNVERIFIED |
| BTBh Tank Works INC Dba Bh Tank INC | Madera | CA | — | ◇ UNVERIFIED |
| BBBig B Construction INC. | American Fork | UT | — | ◇ UNVERIFIED |
| BRBig Red Metals, LLC | Slocomb | AL | — | ◇ UNVERIFIED |
| BCBilco Company,the | Trumann | AR | — | ◇ UNVERIFIED |
| BSBioclimatic Structures LLC | Pompton Plains | NJ | — | ◇ UNVERIFIED |
 Blackman, INC. | New Franken | WI | — | ◇ UNVERIFIED |
| BRBlack Rock Venture LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| BIBliss Industries INC | Fremont | CA | — | ◇ UNVERIFIED |
| BBBlue Bird Realty LLC | Linden | NJ | — | ◇ UNVERIFIED |
| BCBlue Chip Professional Services, L.l.c | Boise | ID | — | ◇ UNVERIFIED |
| BDBlue Diamond Sheet Metal, Inc. | Medford | NY | — | ◇ UNVERIFIED |
| BBBluescope Buildings North America, INC. | Selmer | TN | — | ◇ UNVERIFIED |
| BSBlue Streak Enterprises, LLC Dba Gravley Doors | Aubrey | TX | — | ◇ UNVERIFIED |
| BWBlue Water Fabricators INC | Shelby Township | MI | — | ◇ UNVERIFIED |
| BWBlue Wolf Capital Partners LLC Dba Snappy Air Dist | Detroit Lakes | MN | — | ◇ UNVERIFIED |
| BSBmarko Structures (doraville) | Atlanta | GA | — | ◇ UNVERIFIED |
| BSBmarko Structures, LLC - Long Rd | Williamston | SC | — | ◇ UNVERIFIED |
| BMB & M Metal Works | Catoosa | OK | — | ◇ UNVERIFIED |
| BMBng Management Group, LLC | Macon | GA | — | ◇ UNVERIFIED |
| BNB - N Sheet Metal INC | Wyoming | MN | — | ◇ UNVERIFIED |
| BMBob's Metal Shop LLC | Mesa | AZ | — | ◇ UNVERIFIED |
| BSBohnert Sheet Metal & Roofing CO. | Miami | FL | — | ◇ UNVERIFIED |
| BMBombard Mechanical, LLC | Las Vegas | NV | — | ◇ UNVERIFIED |
| BIBonitz INC | Columbia | SC | — | ◇ UNVERIFIED |
| BIBonland Industries, INC. | Philadelphia | PA | — | ◇ UNVERIFIED |
| BBork | Philadelphia | PA | — | ◇ UNVERIFIED |
| BPBoss Precision LTD. | Spencerport | NY | — | ◇ UNVERIFIED |
| BPBowman Properties, LLC | Valparaiso | IN | — | ◇ UNVERIFIED |
| BMBp Metals LLC | Blaine | MN | — | ◇ UNVERIFIED |
| BMBranagans Metal Works LLC | Clayton | NC | — | ◇ UNVERIFIED |
| BXBrand X Metals, INC | Anaheim | CA | — | ◇ UNVERIFIED |
| BEBreshears Enterprises, INC. | Oklahoma City | OK | — | ◇ UNVERIFIED |
| BUBritco Usa, LLC | Waco | TX | — | ◇ UNVERIFIED |
| BHBritton Holdings Limited Liability Company | Bloomfield | CT | — | ◇ UNVERIFIED |
| BHBRM Holdings Inc. | Watertown | WI | — | ◇ UNVERIFIED |
| BCBroncho Company Dba Electric Power Door | Hibbing | MN | — | ◇ UNVERIFIED |
| BIBrotech INC. | Payson | UT | — | ◇ UNVERIFIED |
| BWBrown Welding Company | Laurel | MD | — | ◇ UNVERIFIED |
| BDBruce & Dana Wholesale INC | Salem | OR | — | ◇ UNVERIFIED |
| BWBR Welding Inc | Howell | NJ | — | ◇ UNVERIFIED |
| BLBryanAprilbuilding LLC | Ogden | UT | — | ◇ UNVERIFIED |
| BRBryan Rivera | Corona | CA | — | ◇ UNVERIFIED |
| BSBryant Sheet Metal, INC. | Hanover | MA | — | ◇ UNVERIFIED |
| BMBtd Manufacturing INC | Detroit Lakes | MN | — | ◇ UNVERIFIED |
| BFBt Fab | Sparks | NV | — | ◇ UNVERIFIED |
| BTB & T Metal Works, INC. | Ocala | FL | — | ◇ UNVERIFIED |
| BIBucyrus International INC | Milwaukee | WI | — | ◇ UNVERIFIED |
| BMBulling Metal Works, INC. | San Leandro | CA | — | ◇ UNVERIFIED |
| BRBull Run Metal Fabricators & Engineers INC | Clinton | TN | — | ◇ UNVERIFIED |
| BRBull Run Metal, INC. | Manassas | VA | — | ◇ UNVERIFIED |
| BSBunger Steel, Inc. | Tolleson | AZ | — | ◇ UNVERIFIED |
| BPBurrow's Post Frame Supply | Fort Gibson | OK | — | ◇ UNVERIFIED |
| BMButler Manufacturing Company | Visalia | CA | — | ◇ UNVERIFIED |
| BIBW2G Investments LLC | Glenpool | OK | — | ◇ UNVERIFIED |
| BHBw Hvac Operations LLC | Portland | OR | — | ◇ UNVERIFIED |
| CSCabell Sheet Metal and Roofing, INC. | Ceredo | WV | — | ◇ UNVERIFIED |
| CMCabrac Mfg | San Fernando | CA | — | ◇ UNVERIFIED |
| CMCalco Metal Works, INC. | Lubbock | TX | — | ◇ UNVERIFIED |
| CSCalcor Space Fac INC | Whittier | CA | — | ◇ UNVERIFIED |
